OT-2026-000053878
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053878) never changes.
Identity and time
| Publication number | OT-2026-000053878 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735e-78b6-80a7-9b0d8f4552b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79c727d00d0347970d919aa609b8c8722ed7f98c71f4d75fdd7c5240f4a80bf2 |
|---|---|
| Markdown | 702611ae6a4dbb8e4844219d7db23e24a5dbd18b1c1518a129cbf2941e435328 |
| Publication page | 66490bf6e6519141b3517faacf4c2328dc6c8a432c0a471480720ed0934ef844 |
| Manifest | 2b26a17b0c41f6eafd31590bb7272baf60e2d4769ab00bff8fc70549e7d358a7 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | bOEDrkomo7PrD1bc7C/9qw3HYlr2mmsvpe1Do0yOo3iIHG37DxAuwiJ9kck7dhy39rIOlZPpQnY30IJNq+OFDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T08:40:41.070376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053878observed 66490bf6e6519141b3517faacf4c2328...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:40:41.049611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053878/manifest.jsonobserved 2b26a17b0c41f6eafd31590bb7272baf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:41.026469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053878/publication.mdobserved 702611ae6a4dbb8e4844219d7db23e24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:41.004262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053878/publication.txtobserved 79c727d00d0347970d919aa609b8c872...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|